summaryrefslogtreecommitdiff
path: root/drivers/rapidio
diff options
context:
space:
mode:
authorJing Xiangfeng <jingxiangfeng@huawei.com>2020-10-15 20:13:18 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-10-29 09:57:53 +0100
commitfe1936208e3f29441098134de3163be954a80fdd (patch)
tree2c72573202bde807d972a04b5e0e7f0916d52808 /drivers/rapidio
parentbfab0711eb27e14a1afa77963f771dec0c4b915a (diff)
rapidio: fix the missed put_device() for rio_mport_add_riodev
[ Upstream commit 85094c05eeb47d195a74a25366a2db066f1c9d47 ] rio_mport_add_riodev() misses to call put_device() when the device already exists. Add the missed function call to fix it. Fixes: e8de370188d0 ("rapidio: add mport char device driver") Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Alexandre Bounine <alex.bou9@gmail.com> Cc: Gustavo A. R. Silva <gustavoars@kernel.org> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Kees Cook <keescook@chromium.org> Cc: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com> Link: https://lkml.kernel.org/r/20200922072525.42330-1-jingxiangfeng@huawei.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/rapidio')
-rw-r--r--drivers/rapidio/devices/rio_mport_cdev.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c
index 1222522b4ae7..2b08fdeb87c1 100644
--- a/drivers/rapidio/devices/rio_mport_cdev.c
+++ b/drivers/rapidio/devices/rio_mport_cdev.c
@@ -1683,6 +1683,7 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv,
struct rio_dev *rdev;
struct rio_switch *rswitch = NULL;
struct rio_mport *mport;
+ struct device *dev;
size_t size;
u32 rval;
u32 swpinfo = 0;
@@ -1697,8 +1698,10 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv,
rmcd_debug(RDEV, "name:%s ct:0x%x did:0x%x hc:0x%x", dev_info.name,
dev_info.comptag, dev_info.destid, dev_info.hopcount);
- if (bus_find_device_by_name(&rio_bus_type, NULL, dev_info.name)) {
+ dev = bus_find_device_by_name(&rio_bus_type, NULL, dev_info.name);
+ if (dev) {
rmcd_debug(RDEV, "device %s already exists", dev_info.name);
+ put_device(dev);
return -EEXIST;
}